Alterations or additions to a nonconforming
or structure may be permitted as long as the alterations or additions do not increase the nonconformity of the structure related to the
setback line, height limitations, yard or other provisions regulating the size and placement of buildings and structures for the district in which the nonconforming structure is located. For full description of standards for alterations or additions, see Figure 9.7-A: Required Site Element Upfits.